return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHCl2CCH (3,3-dichloropropyne)

using model chemistry: B2PLYP=FULLultrafine/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULLultrafine/6-31G
 hartrees
Energy at 0K-1035.219552
Energy at 298.15K 
HF Energy-1035.090433
Nuclear repulsion energy232.737738
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP=FULLultrafine/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3508 3508 55.98      
2 A' 3223 3223 0.22      
3 A' 2197 2197 46.27      
4 A' 1297 1297 33.04      
5 A' 1034 1034 74.75      
6 A' 685 685 81.47      
7 A' 643 643 6.12      
8 A' 432 432 9.37      
9 A' 254 254 0.12      
10 A' 205 205 3.38      
11 A" 1227 1227 25.15      
12 A" 691 691 208.19      
13 A" 646 646 33.19      
14 A" 440 440 1.24      
15 A" 146 146 1.11      

Unscaled Zero Point Vibrational Energy (zpe) 8313.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8313.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULLultrafine/6-31G
ABC
0.09783 0.09517 0.05037

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.654 2.048 0.000
C2 -0.727 1.256 0.000
C3 0.385 0.346 0.000
Cl4 0.385 -0.749 1.536
Cl5 0.385 -0.749 -1.536
H6 -2.474 2.728 0.000
H7 1.357 0.828 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.21902.65563.78613.78611.06543.2486
C21.21901.43682.75912.75912.28432.1278
C32.65561.43681.88591.88593.72091.0849
Cl43.78612.75911.88593.07144.75572.4059
Cl53.78612.75911.88593.07144.75572.4059
H61.06542.28433.72094.75574.75574.2762
H73.24862.12781.08492.40592.40594.2762

picture of 3,3-dichloropropyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 178.753 C2 C1 H6 179.146
C2 C3 Cl4 111.558 C2 C3 Cl5 111.558
C2 C3 H7 114.362 Cl4 C3 Cl5 109.037
Cl4 C3 H7 104.936 Cl5 C3 H7 104.936
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability